JPH0169154U - - Google Patents
Info
- Publication number
- JPH0169154U JPH0169154U JP1987164500U JP16450087U JPH0169154U JP H0169154 U JPH0169154 U JP H0169154U JP 1987164500 U JP1987164500 U JP 1987164500U JP 16450087 U JP16450087 U JP 16450087U JP H0169154 U JPH0169154 U JP H0169154U
- Authority
- JP
- Japan
- Prior art keywords
- air
- fuel ratio
- calculating
- average value
- weighted average
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000446 fuel Substances 0.000 claims description 10
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
- 238000001514 detection method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
第１図はこの考案のクレーム対応図、第２図は
この考案の一実施例のシステム図、第３図ないし
第５図はこの実施例の演算内容を示す流れ図、第
６図はこの実施例のαｃｓの一例を示す特性線図
、第７図はこの実施例の作用を説明するための波
形図である。第８図は従来例の作用を説明するた
めの波形図である。
１……機関負荷検出手段、２……回転数検出手
段、３……基本噴射量演算手段、４……加重平均
値演算手段、５……アイドル時検出手段、６……
アイドル時の燃料噴射量設定手段、７……空燃比
検出手段、８……判定手段、９……重み増量補正
手段、１１……吸気絞り弁、１３……空気量セン
サ、１５……クランク角センサ、１６……アイド
ルスイツチ、１７……水温センサ、２５……コン
トロールユニツト、２６……燃料噴射弁。
Fig. 1 is a claim correspondence diagram of this invention, Fig. 2 is a system diagram of an embodiment of this invention, Figs. 3 to 5 are flow charts showing the calculation contents of this embodiment, and Fig. 6 is this embodiment. FIG . 7 is a waveform diagram for explaining the operation of this embodiment. FIG. 8 is a waveform diagram for explaining the operation of the conventional example. DESCRIPTION OF SYMBOLS 1... Engine load detection means, 2... Rotation speed detection means, 3... Basic injection amount calculation means, 4... Weighted average value calculation means, 5... Idle time detection means, 6...
Fuel injection amount setting means at idle, 7... Air-fuel ratio detection means, 8... Judgment means, 9... Weight increase correction means, 11... Intake throttle valve, 13... Air amount sensor, 15... Crank angle Sensor, 16... Idle switch, 17... Water temperature sensor, 25... Control unit, 26... Fuel injection valve.
Claims (1)
を演算する手段と、この基本噴射量の加重平均値
を演算する手段と、演算された加重平均値を用い
てアイドル時の燃料噴射量を設定する手段とを備
える機関の燃料噴射制御装置において、空燃比を
検出する手段と、アイドル時の空燃比が所定値よ
りもリーン側にあるかどうかを判定する手段と、
リーン側にある場合にはそのときの空燃比に応じ
て前記加重平均値の重みを増量補正する手段とを
設けたことを特徴とする機関の燃料噴射制御装置
。 A means for calculating a basic injection amount according to detected values of engine load and rotation speed, a means for calculating a weighted average value of the basic injection amount, and a means for calculating a fuel injection amount at idle using the calculated weighted average value. A fuel injection control device for an engine comprising: a means for detecting an air-fuel ratio; and a means for determining whether the air-fuel ratio during idling is on the lean side of a predetermined value;
A fuel injection control device for an engine, comprising means for increasing the weight of the weighted average value in accordance with the air-fuel ratio at that time when the air-fuel ratio is on the lean side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987164500U JPH0169154U (en) | 1987-10-27 | 1987-10-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987164500U JPH0169154U (en) | 1987-10-27 | 1987-10-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0169154U true JPH0169154U (en) | 1989-05-08 |
Family
ID=31450165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987164500U Pending JPH0169154U (en) | 1987-10-27 | 1987-10-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0169154U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01280648A (en) * | 1988-05-02 | 1989-11-10 | Toyota Motor Corp | Fuel injection quantity control device for internal combustion engine |
-
1987
- 1987-10-27 JP JP1987164500U patent/JPH0169154U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01280648A (en) * | 1988-05-02 | 1989-11-10 | Toyota Motor Corp | Fuel injection quantity control device for internal combustion engine |